Send to SQS a few treks at a time, then wait till Q is empty to send again

send-slow-q.sh

#
# send to q a few treks at a time, then wait till Q is empty to send again
#

AWSACCNT=123456789012

Q=https://sqs.eu-west-1.amazonaws.com/$AWSACCNT/prd_navigation_q
Q=https://sqs.eu-west-1.amazonaws.com/$AWSACCNT/stg_navigation_q

QMAX=29   # do not fill Q with more than these
QMAX=5

#set -x
count=1
while read TREK
do

    aws sqs send-message --queue-url $Q --message-body $TREK

echo sent message number $((count++))


QATTR=ApproximateNumberOfMessages               # no. of msgs
QATTR=ApproximateNumberOfMessagesNotVisible     # no. of msgs inflight

    while (( $QMAX <= $(aws sqs get-queue-attributes --queue-url $Q  --attribute-names $QATTR --output text --query Attributes.$QATTR) ))
    do
        echo sleeping...
        sleep 2
    done

done